Chris Hammer
3959866954
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80 lines
2.8 KiB
YAML
80 lines
2.8 KiB
YAML
---
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- name: Capture logical volume adjacent to /boot
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ansible.builtin.shell:
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cmd: |
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set -o pipefail
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lsblk -p -o name,type|grep lvm|head -1
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executable: /bin/bash
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changed_when: false
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register: bigboot_adjacent_lvm
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- name: Set adjacent LVM device name
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ansible.builtin.set_fact:
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bigboot_adjacent_lvm_device: "{{ bigboot_adjacent_lvm.stdout | regex_replace('.*(/dev.*)\\s+.*$', '\\1') }}"
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- name: Get logical volume mount information
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ansible.builtin.set_fact:
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bigboot_lv_info: "{{ ansible_facts.mounts \
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| selectattr('device', 'equalto', bigboot_adjacent_lvm_device | trim) | first }}"
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- name: Assert that there is space on the logical volume for shrinkage
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ansible.builtin.assert:
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that: bigboot_lv_info.size_available > bigboot_expansion_diff | int
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fail_msg: There is not enough space available for LV shrinking.
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- name: Capture shrink size for logical volume
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ansible.builtin.set_fact:
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bigboot_lv_shrink_size: "{{ bigboot_lv_info.size_total - bigboot_expansion_diff | int }}"
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- name: Capture logical volume name
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ansible.builtin.shell:
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cmd: |
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set -o pipefail
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lvdisplay {{ bigboot_adjacent_lvm_device }} | grep -i 'vg name'
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executable: /bin/bash
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changed_when: false
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register: bigboot_lv_vg_name
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- name: Format logical volume name
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ansible.builtin.set_fact:
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bigboot_lv_vg_name: "{{ bigboot_lv_vg_name.stdout | regex_replace('VG\\s+Name\\s+(.*)$', '\\1') }}"
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- name: Capture volume group free PE
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ansible.builtin.shell:
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cmd: |
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set -o pipefail
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vgdisplay {{ bigboot_lv_vg_name | trim }} | grep -i 'free'
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executable: /bin/bash
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changed_when: false
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register: bigboot_lv_vg_free_pe
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- name: Format logical volume free PE
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ansible.builtin.set_fact:
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# Ex:
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# Free PE / Size 320 / 1.25 GiB"
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# Free PE / Size 189 / 756.00 MiB"
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# Free PE / Size 414 / <1.62 GiB
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# Free PE / Size 0 / 0
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bigboot_lv_vg_free_pe: "{{ bigboot_lv_vg_free_pe.stdout | regex_replace('^.*/.*/\\s+[<]?(.*)', '\\1') }}"
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- name: Get size in MB for PE and
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ansible.builtin.set_fact:
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bigboot_lv_pe_size_in_mb:
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"{{ bigboot_lv_vg_free_pe | regex_replace('i|\\s+|<', '') | human_to_bytes | human_readable(unit='M') }}"
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- name: Verify if there's available PE or not and execute Shrink_LV
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block:
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- name: Assert if we need to execute the shrink_lv role to gain free PE
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ansible.builtin.assert:
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that: (bigboot_lv_pe_size_in_mb[:-3] | int | round) | int > bigboot_size[:-1] | int
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fail_msg: Not enough PE to expand /boot.
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rescue:
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- name: Execute Shrink_LV role to resize target logical volume
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ansible.builtin.import_role:
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name: infra.lvm_snapshots.shrink_lv
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vars:
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shrink_lv_devices:
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- device: "{{ bigboot_adjacent_lvm_device | trim }}"
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size: "{{ bigboot_lv_shrink_size | int }}"
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